Speaker box



FIG. 1 is a front right top perspective view of a speaker box showing my new design;

FIG. 2 is a rear left bottom perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof, a left side elevational view thereof being a mirror image of the right side elevational view;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken away lines in the drawing disclosure indicates indeterminate length of the cable connected to the speaker box, which is not claimed. 

The ornamental design for a speaker box, as shown and described. 